Re: vm_map.c LOR

2003-10-27 Thread David Schultz
On Sat, Sep 27, 2003, Florian C. Smeets wrote:
 Hey guys,
 
 got this one with today's current:
 
 lock order reversal
  1st 0xc28008ac vm object (vm object) @ /space/src/sys/vm/vm_map.c:2195
  2nd 0xc082f110 system map (system map) @ /space/src/sys/vm/vm_kern.c:328
 Stack backtrace:
 backtrace(c037b3b0,c082f110,c0390c85,c0390c85,c0390b1a) at backtrace+0x17
 witness_lock(c082f110,8,c0390b1a,148,0) at witness_lock+0x672
 _mtx_lock_flags(c082f110,0,c0390b1a,148,3) at _mtx_lock_flags+0xba
 _vm_map_lock(c082f0b0,c0390b1a,148,c03dcfe0,2b4) at _vm_map_lock+0x36
 kmem_malloc(c082f0b0,1000,101,cf083b18,c030c587) at kmem_malloc+0x3a
[...]

This is a false positive.
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vm_map.c LOR

2003-09-27 Thread Florian C. Smeets
Hey guys,

got this one with today's current:

lock order reversal
 1st 0xc28008ac vm object (vm object) @ /space/src/sys/vm/vm_map.c:2195
 2nd 0xc082f110 system map (system map) @ /space/src/sys/vm/vm_kern.c:328
Stack backtrace:
backtrace(c037b3b0,c082f110,c0390c85,c0390c85,c0390b1a) at backtrace+0x17
witness_lock(c082f110,8,c0390b1a,148,0) at witness_lock+0x672
_mtx_lock_flags(c082f110,0,c0390b1a,148,3) at _mtx_lock_flags+0xba
_vm_map_lock(c082f0b0,c0390b1a,148,c03dcfe0,2b4) at _vm_map_lock+0x36
kmem_malloc(c082f0b0,1000,101,cf083b18,c030c587) at kmem_malloc+0x3a
page_alloc(c083a460,1000,cf083b0b,101,c03775e7) at page_alloc+0x27
slab_zalloc(c083a460,1,8,c0392473,68c) at slab_zalloc+0xb7
uma_zone_slab(c083a460,1,c0392473,68c,0) at uma_zone_slab+0xe6
uma_zalloc_internal(c083a460,0,1,0,c0820a50) at uma_zalloc_internal+0x3e
bucket_alloc(80,1,c0392473,70b,0) at bucket_alloc+0x5e
uma_zfree_arg(c08209a0,ce622450,0,749,1f) at uma_zfree_arg+0x2b6
swp_pager_meta_free(c28008ac,0,0,bd,0) at swp_pager_meta_free+0xfd
swap_pager_freespace(c28008ac,0,0,bd,0) at swap_pager_freespace+0x57
vm_map_delete(c2d657e0,0,bfc0,c2d657e0,c2626a80) at vm_map_delete+0x2f1
vm_map_remove(c2d657e0,0,bfc0,11d,c0375c53) at vm_map_remove+0x55
exit1(c2adebe0,0,c0375c53,65,cf083d40) at exit1+0x686
sys_exit(c2adebe0,cf083d10,c0396800,3ec,1) at sys_exit+0x41
syscall(2f,860002f,bfbf002f,bfbff5e0,0) at syscall+0x273
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (1), eip = 0x82be253, esp = 0xbfbff59c, ebp = 0xbfbff5b8 ---
Regards,
flo
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